| Transistor Polarity | NPN |
| Collector Emitter Voltage V(br)ceo | 45V |
| Transition Frequency ft | 3MHz |
| Power Dissipation Pd | 36W |
| DC Collector Current | 4A |
| DC Current Gain hFE | 85hFE |
| Transistor Case Style | TO-126 |
| No. of Pins | 3Pins |
| Operating Temperature Max | 150°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| MSL | - |
| SVHC | No SVHC (07-Jul-2017) |
| Collector Emitter Saturation Voltage Vce(on) | 600mV |
| Continuous Collector Current Ic Max | 4A |
| Current Ic Continuous a Max | 4A |
| Current Ic hFE | 2A |
| Device Marking | BD437 |
| Full Power Rating Temperature | 25°C |
| Gain Bandwidth ft Min | 3MHz |
| Gain Bandwidth ft Typ | 3MHz |
| Hfe Min | 40 |
| No. of Transistors | 1 |
| Operating Temperature Min | -65°C |
| Operating Temperature Range | -65°C to +150°C |
| Power Dissipation Ptot Max | 36W |
| Termination Type | Through Hole |
| Voltage Vcbo | 45V |
